<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>upload file</title>
</head>

<body>
    <form method="post" enctype="multipart/form-data" action="/gin_upload">
        <input type="file" name="ff" multiple="multiple" /><br />
        <input type="submit" value="提交" />
    </form>
</body>